"The important thing is not to stop questioning. Curiosity has its own reason for existing" Einstein

Friday, 1 May 2009

Data Dictionary

Every database should have a data dictionary. A data dictionary is a file that defines the basic organization of a database. It contains a collection of data element definitions in the database. More advanced data dictionary contains database schema with reference keys, still more advanced data dictionary contains entity-relationship model of the data elements or objects. Data dictionaries do not contain any actual data from the database, only bookkeeping information for managing it. The contents